Freebase(0.00 / 0 votes)Rate this definition: Serval. The serval is a medium-sized African wild cat. DNA studies have shown that the serval is closely related to the African golden cat and the caracal. Chambers 20th Century Dictionary (0.00 / 0 votes) Rate this definition:
Word forms: plural harrows. countable noun. A harrow is a piece of farm equipment consisting of a row of blades fixed to a heavy frame. When it is pulled over ploughed land, the blades break up large lumps of soil.
Chassis ground is sometimes called common ground. It provides a point that can be considered to have zero voltage. All other circuit voltages (positive or negative) are measured or defined with respect to it. Ideally, all chassis grounds should lead to earth grounds.